Prognostic factors of a favorable outcome following a supervised exercise program for soldiers with sub-acute and chronic low back pain

Table 5 Predictive capacity according to the number of criteria present

Number of Prognostic factors	Sensitivity	Specificity	LR+	LR-
One or more	1.00 [0.89–1.00]	0.02 [0.001–0.13]	1.02 [0.98–1.07]	N/A
Two or more	0.95 [0.82–0.99]	0.18 [0.09–0.33]	1.16 [0.99–1.35]	0.28 [0.06–1.33]
Three or more	0.90 [0.75–0.96]	0.49 [0.34–0.64]	1.76 [1.30–2.39]	0.20 [0.07–0.54]
Four or more	0.78 [0.61–0.89]	0.80 [0.65–0.90]	3.88 [2.11–7.12]	0.28 [0.16–0.50]
Five	0.33 [0.19–0.49]	0.93 [0.81–0.98]	4.88 [1.50–15.88]	0.72 [0.58–0.90]